code: def __init__(self, delegate, **kwargs):
      super().__init__(**kwargs)
      if delegate:
          self.delegate = flight.connect(
              delegate, middleware=(TracingClientMiddlewareFactory(),)
          )
      else:
          self.delegate = None
  
imports: import argparse
  import sys
  import threading
  import uuid
  import pyarrow
  import pyarrow.flight
label_desc: Use image node_id 1 to create a new FlightServer object from inherited base classes: flight with example: obj = FlightServer(delegate)